add: new loading icon

app/lib/pages/default_page.dart

@@ -102,23 +102,26 @@ class _DefaultPageState extends State<DefaultPage> {
         body: FutureBuilder(
           future: Future.wait([markerListFuture, relationFuture]),
           builder: (BuildContext context, AsyncSnapshot<List<dynamic>> snapshot) {
+            // Display loading screen while app state is being set
             if (snapshot.connectionState == ConnectionState.waiting) {
               return Container(
-                decoration: const BoxDecoration( // Background color for loading screen
+                decoration: const BoxDecoration( // Loading screen
                   color: darkestBlue,
                 ),
-                child: const Center(
-                  child: Icon(
-                    Icons.severe_cold, // Loading screen icon
+                child: Center(
+                  child: Image.asset(
+                    'assets/icons/frozen.png', // Loading screen icon
+                    // Icon from: https://www.flaticon.com/free-icons/cold-water"
                     color: lightBlue,
-                    size: 100,
+                    width: 200,
+                    height: 200,
                   ),
                 ),
               );
             } else if (snapshot.hasError) {
               return Center(child: Text('Error: ${snapshot.error}'));
             } else {
-              // Alert the user after the build completes if there is no server connection
+              // If no server connection, alert user upon completing build
               WidgetsBinding.instance.addPostFrameCallback((_) {
                 if (!serverConnection && !dialogShown) {
                   dialogShown = true;

app/pubspec.yaml

@@ -9,15 +9,15 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  flutter_map: ^4.0.0
-  http: ^0.13.3
+  flutter_map: ^4.0.0                 # Various maps
+  http: ^0.13.3                       # HTTPS requests
   latlong2: ^0.8.2
   provider: ^5.0.0
-  fl_chart: ^0.20.0-nullsafety1
-  google_fonts: any
-  syncfusion_flutter_maps: ^20.4.41
+  fl_chart: ^0.20.0-nullsafety1       # Charts and diagrams
+  google_fonts: any                   # Fonts
+  syncfusion_flutter_maps: ^20.4.41   # Choropleth map
   path_provider: ^2.0.8
-  shared_preferences: any
+  shared_preferences: any             # Persistent data storage
 
 dev_dependencies:
   flutter_test:
@@ -27,4 +27,4 @@ dev_dependencies:
 flutter:
   uses-material-design: true
   assets:
-      - assets/
+      - assets/icons/

server/map/input_new_data.py

@@ -2,6 +2,7 @@ import json
 from datetime import datetime
 from server.data_processing.process_lidar_data import height_in_area
 
+
 # input_new_Lidar_data send new data gathered from the lidar and send it to the database (from the drone, most likely)
 def input_new_Lidar_data(self, cursor, sensorId, bodyOfWater):
     try:
@@ -10,7 +11,7 @@ def input_new_Lidar_data(self, cursor, sensorId, bodyOfWater):
         cursor.execute('''
             INSERT INTO Measurement(  SensorID, TimeMeasured, WaterBodyName, WholeAverageThickness) VALUES 
                 (?,?,?,?);
-        ''', ( sensorId, datetime.utcnow().replace(microsecond=0), bodyOfWater, 0))
+        ''', (sensorId, datetime.utcnow().replace(microsecond=0), bodyOfWater, 0))
 
         # auto generate new measurement id
         measurement_id = cursor.lastrowid
@@ -31,19 +32,21 @@ def input_new_Lidar_data(self, cursor, sensorId, bodyOfWater):
         position_data = cursor.fetchall()
 
         # soon to be removed
-        if(position_data):
+        if (position_data):
             for row in position_data:
                 latitude, longitude, subID, groupID = row
-                heights = height_in_area((latitude,longitude))
-                if(len(heights) > 0):
+                heights = height_in_area((latitude, longitude))
+                if (len(heights) > 0):
                     print(heights)
                 else:
                     print("No height found")
-                average = sum(heights)/len(heights)
+                average = sum(heights) / len(heights)
                 cursor.execute('''
                 INSERT INTO SubDivision(MeasurementID, SubDivisionID, GroupID, MinimumThickness, AverageThickness, CenterLatitude, CenterLongitude, Accuracy) VALUES
                     (?,?,?,?,?,?,?,?);
-                ''',(measurement_id, subID, groupID, float(min(heights)), float(average), float(latitude), float(longitude), float(1)))
+                ''', (
+                measurement_id, subID, groupID, float(min(heights)), float(average), float(latitude), float(longitude),
+                float(1)))
         else:
             print('No data')
 
@@ -56,4 +59,4 @@ def input_new_Lidar_data(self, cursor, sensorId, bodyOfWater):
     except Exception as e:
         print("An error occurred", e)
         # rollback in case of error
-        cursor.connection.rollback()
+        cursor.connection.rollback()
\ No newline at end of file